993674401 has 24 divisors (see below), whose sum is σ = 1064400480. Its totient is φ = 926849280.

The previous prime is 993674389. The next prime is 993674417. The reversal of 993674401 is 104476399.

It is not a de Polignac number, because 993674401 - 2⁷ = 993674273 is a prime.

It is a super-3 number, since 3×993674401³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993674491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4264581 + ... + 4264813.

It is an arithmetic number, because the mean of its divisors is an integer number (44350020).

Almost surely, 2^993674401 is an apocalyptic number.

It is an amenable number.

993674401 is a deficient number, since it is larger than the sum of its proper divisors (70726079).

993674401 is a wasteful number, since it uses less digits than its factorization.

993674401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 993674401 is about 31522.6014313540. The cubic root of 993674401 is about 997.8870053985.

The spelling of 993674401 in words is "nine hundred ninety-three million, six hundred seventy-four thousand, four hundred one".